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NSN 4820-01-236-0652Government record, cited

Coupling, Valve4820-01-236-0652

NSN 4820-01-236-0652 · NIIN 012360652 · Part number 6503-86 PIECE 148

Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43689

Government record, cited

NSN 4820-01-236-0652 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-236-0652. Manufacturer of record part number: 6503-86 PIECE 148.

Also searched as 4820-01-236-0652 · 4820012360652 · NIIN 012360652 · 01-236-0652 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 6503-86 PIECE 148 · 6503-86

Nearby stock numbers ← 4820-01-236-0609 Valve, Regulating, Fluid Pressure · 4820-01-236-0659 Stem, Fluid Valve →

4820-01-236-0652 — Valves, Nonpowered

Features

Coupling,valve — FSC 4820
General Characteristics Item Description: STEEL; INTERNAL SAE SPLINE 7/8-10C
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 4820-01-236-0652
NIIN: 012360652
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6503-86 PIECE 148
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Coupling,valve, cataloged under National Stock Number 4820-01-236-0652, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-236-0652
Primary Part Number	6503-86 PIECE 148
Item Name	Coupling,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Huntington Ingalls Inc Div Newport News Shipbuilding
Status	ACTIVE
General Characteristics Item Description	STEEL; INTERNAL SAE SPLINE 7/8-10C

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
6503-86 PIECE 148 PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)

Reference documents

Reference	Meaning
6503-86	D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-236-0652?

NSN 4820-01-236-0652 is a Coupling,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-236-0652?

NSN 4820-01-236-0652 has 1 manufacturer part number on file: 6503-86 PIECE 148 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What are the specifications of 6503-86 PIECE 148?

Key specifications for 6503-86 PIECE 148: General Characteristics Item Description: STEEL; INTERNAL SAE SPLINE 7/8-10C. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-236-0652 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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